Chemistry Fall Final Test

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

What is the atomic number of the atom pictured? 

• 9
• 10
• 18
• 19

What is the element name of the atom pictured? 

• Fluorine
• Neon
• Argon
• Potassium

• 2
• 3
• 5

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

What does the 1.00794 stand for?

• number of neutrons

• atomic number
• atomic mass
• mass number